function checkIn01(img)
%
%
%        checkIn01(img)
%
%
%        Input:
%           -img: check that the images has values in [0,1]
%
%     Copyright (C) 2013  Francesco Banterle
% 
%     This program is free software: you can redistribute it and/or modify
%     it under the terms of the GNU General Public License as published by
%     the Free Software Foundation, either version 3 of the License, or
%     (at your option) any later version.
% 
%     This program is distributed in the hope that it will be useful,
%     but WITHOUT ANY WARRANTY; without even the implied warranty of
%     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
%     GNU General Public License for more details.
% 
%     You should have received a copy of the GNU General Public License
%     along with this program.  If not, see <http://www.gnu.org/licenses/>.
%

indx0 = find(img < 0.0);
indx1 = find(img > 1.0);

if(~isempty(indx0) && ~isempty(indx1))
    error('The image needs to have values in [0,1].');
end

end